The heater core has no gasket. If it is leaking, it must be replaced.
No
head gasket or piston rings, have a leak down test done in it to confirm gasket failure
You Don't!
oil and a sump gasket
It may not have one on a '73. If it does it would be under the dash.
In 1973, approximately 150,000 Chevrolet Blazers were produced. The first-generation Blazer was introduced in 1969, and production continued until 1991, with varying numbers produced each year. The 1973 model year falls within a peak production period for this popular SUV.
Yes. For street use you may want to use the head gasket as a template to add the steam holes.
It needs a new thermo couple
I think. it would be the knobs on each side of the parking brakes(if they are still there in that year) pull them both up (i think) while the motor is on and you should get warm air to come out. You probably CAN'T turn it on, unless:the heater boxes, which are sheet metal pieces wrapped around the cast-iron exhaust manifolds, are intactthe control levers on the sides of the heater boxes are there, the butterfly valve they control is there, and the cable running to the lever is there, intact and connected at both endsthe hoses connecting the heater channels to the heater boxes are there and intactthe heater channels don't have any holes in themand even if all that stuff is right, you STILL don't get much heat out of them!
park,reverse,neutral,drive,low2,and low1
May 1973 started on a Tuesday and ended 30 days later on a Thursday. The full list of days and dates are as follows: Tuesday 1 May 1973 Wednesday 2 May 1973 Thursday 3 May 1973 Friday 4 May 1973 Saturday 5 May 1973 Sunday 6 May 1973 Monday 7 May 1973 Tuesday 8 May 1973 Wednesday 9 May 1973 Thursday 10 May 1973 Friday 11 May 1973 Saturday 12 May 1973 Sunday 13 May 1973 Monday 14 May 1973 Tuesday 15 May 1973 Wednesday 16 May 1973 Thursday 17 May 1973 Friday 18 May 1973 Saturday 19 May 1973 Sunday 20 May 1973 Monday 21 May 1973 Tuesday 22 May 1973 Wednesday 23 May 1973 Thursday 24 May 1973 Friday 25 May 1973 Saturday 26 May 1973 Sunday 27 May 1973 Monday 28 May 1973 Tuesday 29 May 1973 Wednesday 30 May 1973 Thursday 31 May 1973
Yes! There were Things made from 1969-1980. They were imported to the US in 1973-1974 and there are difference between those two years such as the type of heater, exhaust system, air intake, and steering wheel shaft sizes.